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Granahan Investment Management’s BWX Technologies BWXT Stock Holding History

Granahan Investment Management’s Portfolio BWXT Stock Details BWXT Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$3.69M Buy
18,976
+4,272
+29% +$890K 0.13% 126
2026
Q1 		$3.01M Sell
14,704
-2,651
-15% -$538K 0.15% 127
2025
Q4 		$3M Buy
17,355
+6,828
+65% +$1.28M 0.13% 132
2025
Q3 		$1.94M Buy
+10,527
New +$1.69M 0.08% 131

Other funds holding BWXT

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.81T AUM 41.13% 1-Year Est. Return
First Trust Advisors
First Trust Advisors Wheaton, Illinois $170B AUM 46.21% 1-Year Est. Return
Alkeon Capital Management
Alkeon Capital Management New York $74.1B AUM 71.18% 1-Year Est. Return
Franklin Resources
Franklin Resources San Mateo, California $462B AUM 39.16% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return

Granahan Investment Management's BWXT Position: Q2 2026 in Review

Granahan Investment Management increased its BWX Technologies (BWXT) stake by 29% in Q2 2026, buying an estimated $890K and bringing the position to 18,976 shares worth $3.69M. The position accounts for 0.13% of the portfolio, ranked #126.

Granahan Investment Management first reported a position in BWXT in Q3 2025 and has held it in 4 quarters since. 852 funds tracked by Wall St. Rank hold BWXT as of Q2 2026.

  • Granahan Investment Management held 18,976 shares of BWX Technologies worth $3.69M as of Q2 2026.
  • Granahan Investment Management bought 4,272 BWX Technologies shares in Q2 2026, an estimated $890K.
  • BWX Technologies made up 0.13% of Granahan Investment Management's portfolio in Q2 2026, its #126 holding.
  • Granahan Investment Management first reported a position in BWX Technologies in Q3 2025 and has held it in 4 quarters since.
  • 852 funds tracked by Wall St. Rank held BWX Technologies as of Q2 2026.

Based on Granahan Investment Management's 13F filing for Q2 2026, filed 14 Aug 2026.